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Open Source and information security mailing list archives
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Date: Mon, 20 Aug 2007 22:24:14 +0800 From: Herbert Xu <herbert@...dor.apana.org.au> To: johnpol@....mipt.ru (Evgeniy Polyakov) Cc: alan@...ie.me.uk, netdev@...r.kernel.org Subject: Re: skb_pull_rcsum - Fatal exception in interrupt Evgeniy Polyakov <johnpol@....mipt.ru> wrote: > > Actually if dmesg will show that there is something in fragments, it > should use pskb_may_pull(). The same bug exist in bridge and vlan, btw, > so it might be a solution to remove bug_on from skb_pull_rcsum() and > instead call may_pull? That would be too easy :) As was the case here, the data pulled has already been accessed so calling pskb_may_pull in the pulling function is too late. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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